FreeChainXenon/binutils-gdb
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2004-04-02 Andrew Cagney <cagney@redhat.com>

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* frame.c (get_prev_frame_1): Exclude signal trampolines from the
	"previous frame inner to this frame" test.
This commit is contained in:
Andrew Cagney 2004-04-02 20:21:07 +00:00
parent 304396fba9
commit adb54772d2
2 changed files with 9 additions and 3 deletions
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7
gdb/frame.c
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@ -1792,9 +1792,10 @@ get_prev_frame_1 (struct frame_info *this_frame)
/* Check that this frame's ID isn't inner to (younger, below, next)
the next frame. This happens when a frame unwind goes backwards.
Since the sentinel frame doesn't really exist, don't compare the
inner-most against that sentinel. */
if (this_frame->level > 0
Exclude signal trampolines (due to sigaltstack the frame ID can
go backwards) and sentinel frames (the test is meaningless). */
if (this_frame->next->level >= 0
&& this_frame->next->type != SIGTRAMP_FRAME
&& frame_id_inner (get_frame_id (this_frame),
get_frame_id (this_frame->next)))
error ("Previous frame inner to this frame (corrupt stack?)");